APA (7th ed.) Citation

Dumais, G., Ellison, G., & Glaeser, E. L. (1997). Geographic concentration as a dynamic process. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Dumais, Guy, Glenn Ellison, and Edward L. Glaeser. Geographic Concentration as a Dynamic Process. Cambridge, MA: National Bureau of Economic Research, 1997.

MLA (9th ed.) Citation

Dumais, Guy, et al. Geographic Concentration as a Dynamic Process. National Bureau of Economic Research, 1997.